Matt Kondolf is a fluvial geomorphologist specializing in environmental river management and restoration. At Berkeley he teaches courses in hydrology, river restoration, and environmental science and planning. His research focuses on human-river interactions, with emphasis on managing of flood-prone lands, managing sediment in rivers and reservoirs, and river restoration, and has published extensively on these topics. His book Tools in Fluvial Geomorphology (2nd edition, Wiley) is a reference in the field. He has served as advisor to US and state agencies on river management and restoration, and provided expert testimony before the US Congress, the California Legislature, the US Supreme Court, and the International Court of Justice and Permanent Court of Arbitration in the Hague. He is a EURIAS fellow at the Collegium – Lyon Institute for Advanced Studies, University of Lyon, affiliated with the CNRS research laboratory Environnement Ville Société.